import { OnInit, EventEmitter, ElementRef } from '@angular/core';
import { FileItem } from 'ng2-file-upload';
import { FileUploadService } from './file-upload.service';
export declare class FileUploadDropDirective implements OnInit {
    private fileUploadService;
    notifyCommitedFile: EventEmitter<string>;
    notifyUploadQueue: EventEmitter<FileItem[]>;
    onFileDrop: EventEmitter<File[]>;
    autoUpload: boolean;
    allowOnlyImages: boolean;
    protected element: ElementRef;
    private uploader;
    constructor(fileUploadService: FileUploadService, element: ElementRef);
    ngOnInit(): void;
    onDrop(event: any): void;
    onDragOver(event: any): void;
    onDragLeave(event: any): any;
    _getTransfer(event: any): any;
    _preventAndStop(event: any): any;
    _haveFiles(types: any): any;
    checkAllowedFiles(): void;
    private requestFileUpload;
    private commitFile;
    private getOptions;
    private getFilters;
}